slideshow/source/engine/slide/userpaintoverlay.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
  22
  23 #include <basegfx/polygon/b2dpolypolygon.hxx>
  24
  25 #include <unoview.hxx>
  26 #include <rgbcolor.hxx>
  27
  28 #include <memory>
  29 #include <vector>
  30
  31 /* Definition of UserPaintOverlay class */
  32
  33 namespace slideshow
  34 {
  35     namespace internal
  36     {
  37         class EventMultiplexer;
  38         struct SlideShowContext;
  39
  40         class PaintOverlayHandler;
  41         typedef ::std::shared_ptr< class UserPaintOverlay > UserPaintOverlaySharedPtr;
  42         typedef ::std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
  43         /** Slide overlay, which can be painted into by the user.
  44
  45             This class registers itself at the EventMultiplexer,
  46             listening for mouse clicks and moves. When the mouse is
  47             dragged, a hand sketching in the selected color is shown.
  48         */
  49         class UserPaintOverlay
  50         {
  51         public:
  52             /** Create a UserPaintOverlay
  53
  54                 @param rStrokeColor
  55                 Color to use for drawing
  56
  57                 @param nStrokeWidth
  58                 Width of the stroked path
  59              */
  60             static UserPaintOverlaySharedPtr create( const RGBColor&          rStrokeColor,
  61                                                      double                   nStrokeWidth,
  62                                                      const SlideShowContext&  rContext,
  63                                                      const PolyPolygonVector& rPolygons,
  64                                                      bool                     bActive);
  65             ~UserPaintOverlay();
  66             UserPaintOverlay(const UserPaintOverlay&) = delete;
  67             UserPaintOverlay& operator=(const UserPaintOverlay&) = delete;
  68             PolyPolygonVector getPolygons();
  69             void drawPolygons();
  70
  71         private:
  72             UserPaintOverlay( const RGBColor&          rStrokeColor,
  73                               double                   nStrokeWidth,
  74                               const SlideShowContext&  rContext,
  75                               const PolyPolygonVector& rPolygons,
  76                               bool                    bActive );
  77
  78             ::std::shared_ptr<PaintOverlayHandler>    mpHandler;
  79             EventMultiplexer&                           mrMultiplexer;
  80         };
  81     }
  82 }
  83
  84 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */